Abstract

We investigate the performance of quantum coherence and nonlocal advantage of quantum coherence (NAQC) for the central spin-1 system which couple to an XY spin chain with three-spin interaction in a transverse magnetic field. For the case that the central spin system couple weakly to the spin chain, both quantum coherence and NAQC endure sudden change around the critical point of quantum phase transitions when the three-spin interaction is switched off. While there is three-spin interaction, the performances of quantum coherence and NAQC indicate that the critical point has been shifted away from its ordinary position. Therefore, quantum coherence and NAQC can be used to detect the critical point of quantum phase transitions of the XY spin chain for the weak-coupling case. However, three-spin interaction has no obvious effect on the dynamics of quantum coherence and NAQC for the strong-coupling case.

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.